A1
M1
M2
K1
RELA
Y
K2
RELA
Y
K5
RELA
Y
FA
N
MO
T
O
R
D
A
MPER
MO
T
O
R
NEUTRAL
MED
NC
HIGH
LO
W
J1 6
J1
3
J1 4
J1 9
K4
RELA
Y
J
3
1
J
3
2
FURNA
CE BLO
WER INTERLOCK
CLA
SS
2 CIRCUIT ONL
Y
ELECTR
ONIC A
SS
EMBL
Y
S
1
120V 60Hz
FR
OM MAIN
J1 2
J1 1
J1
8
VE001
8
A
23
9. Wiring Diagrams
BK
G
R
Y
R
BK
Y
NO
TE 4
W
A
LL CONTR
O
L
W
A
LL CONTR
O
L
W
A
LL CONTR
O
L
W
A
LL CONTR
O
L
O
VERRIDE
S
WITCH
O
VERRIDE
S
WITCH
O
VERRIDE LED
FURNA
CE BLO
W
ER
INTERLOCK
NO
TE
S
1, 5
NO
TE 5
OPTIONAL
NO
TE
S
5, 6
OPTIONAL
M1
X2
M2
1
2
1
1
2
3
1
2
4
7
6
9
3
4
5
6
7
8
9
2
3
1
2
3
NEUTRAL
LO
W
HIGH
MEDIUM
F
A
N MO
T
O
R
X1
GY O G
R
BL
GY O G
NC
R
(NO
T
E 2)
BN
BN
C1
BL
BL
G
D
AMPER MO
T
O
R
MAIN EAR
T
HING
POINT
R
O
GY
W
G
T1
R1
A1
DEFR
O
S
T
TEMPERA
TURE
S
EN
S
OR
JU1
J4
J1
J
3
AB
CD
EF
G
FF
IO
C OL
YR
GB
ELECTR
ONIC A
SS
EMBL
Y
BL
BL
G
BL
BL
COM
W1
G
BK
W
BK
DOOR INTERLOCK
S
WITCH
S
1
NO
NEUTRAL
LINE
BK
VE0017A
F1
NO
TE 7
120V
NEMA-15P
5-15 PLUG
Models:
SOLO 1.5 and 2.0
NOTES
1-
Controls available. See Section 8.0 (Low voltage only
, 12VDC)
2-
The factory set wiring for blower speed selection is high and low
. Medium speed
can be selected instead of low speed. Disconnect the RED wire from the motor
RED tap and connect it to the motor BLUE tap.
3-
If any of the original wire, as supplied, must be replaced, use the same or
equivalent wire.
4-
Use the factory supplied protective tubing.
5-
The field wiring must comply with applicable codes, ordinances and regulations.
6-
The furnace fan circuit must be class 2
circuit only
.
7-
SPECIFIED UL
LISTED/CSA
CERTIFIED LINE FUSE.
LittelFuse (225 003), 2AG Fast-Acting Fuse. 224/225 Series, Rating: 3A.
LINE VOL
TAGE
LOW VOL
TAGE
AND
FIELD WIRE
COLOR CODE
BK
BLACK
NC
NO CONNECTION
BL
BLUE
O
ORANGE
BN
BROWN
R
RED
G
GREEN
W
WHITE
GY
GREY
Y
YELLOW
FUNCTION T
ABLE
RELA
Y
MODE
K1
K2
K4*
K5
In
te
rm
itt
en
t
0001
Exchange Low
1010
Exchange High
1110
C
irc
ul
at
io
n L
ow
1011
C
irc
ul
at
io
n H
ig
h
1111
D
ef
ro
st
C
yc
le
1111
O
ff
0001
0 = Relay coil is de-energized
1 = Relay coil is energized
* On special mode, K4 is cycling 10 min. ON and 20 min. OFF
Connection
Logic
WARNING
Risk of electrical shocks. Before performing any maintenance or servicing, always disconnect the
unit from its power source. This product employs overload protection (fuse). A blown fuse indicates
an overload or short-circuit situation. If the fuse blows, unplug the product from the outlet. Replace
the fuse as per the servicing instructions (follow product marking for proper fuse rating) and check
the product. If the replacement fuse blows, a short-circuit may be present and the product should
be discarded or returned to an authorized service facility for examination and/or repair.
!
DEFROST
TIME
JUMPERS
TABLE
MO DEFROST/VENTILA
TION
TYPE MINUTES
23°F
5°F
-22°F
JU1A
JU1B
JU1C
JU1D
JU1E
JU1F
JU1G
-5°C
-15°C
-27°C
IN
OUT
O
UT
OUT
IN
IN
O
UT
ST
ANDARD MODE
6/60
6/32
6/20
43720, 45720,43725, 45725
IN
OUT
O
UT
OUT
IN
O
UT
OUT
EXTENDED DEFROST
10/30
10/20
10/15
ST
ANDARD MODE
O
U
T
INI
NI
NI
NI
N
O
U
T
SPECIAL
MODE
6/60
6/32
6/20
43720, 45720,43725, 45725
O
U
T
INI
NI
NI
N
O
U
T
O
U
T
EXTENDED DEFROST
10/30
10/20
10/15
SPECIAL
MODE
A
B
C
D
E
F
G
2
1
JU 1
. .
. .
. .
. .
. .
. .
. .
